Fort Airflex Jacket Black For the finest wet weather comfort and protection, choose this jacket. The material has been tested to independent standards, so it will keep the rain out and won't fog on the inside. To match that spec, a concealed hood has been added and also flapped waterproof pockets and an adjustable hem and sleeves. Waterproof fabric to 6000mm, breathable to 2000mvp, welded seams. Conforms to EN343 3:2 using For-Tex fabric.